Find any real solutions for the following equations.
x3 - 1728 = 0

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.